Run results for: lodash uniqwith vs map

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

uniqwith

8.4M/s

map

1.3M/s

View exact numbers

Test name	Executions per second
✓ uniqwith	8,410,245 Ops/sec
map	1,313,236 Ops/sec

HTML Preparation code:


<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Script Preparation code:

var l = [];
for (let i = 0; i < 20; i++) {
    l.push({
      	"index": Math.floor(i / 2),
        "test": "value",
        "number": 6,
        "complex": {
            "name": "steve"
        }
    })
}

Tests:

map
const map = new Map(); for (const m of l) { map.set( m.i, m ); } return map;
uniqwith
return _.uniqWith(l, (a, b) => { return a.i === b.i; });